/*
 * Copyright (C) 2007-2012 by XDEV Software, All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 3.0 as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
package xdev.lang.cmd;


public abstract class XdevCommandObject
{
	private Object[]	args;
	private int			argIndex	= 0;
	private boolean		initialized	= false;
	

	public XdevCommandObject(Object... args)
	{
		this.args = args;
	}
	

	protected <T> T getArg(Class<T> clazz)
	{
		return (T)args[argIndex++];
	}
	

	public final void prepare()
	{
		if(!initialized)
		{
			init();
			initialized = true;
		}
	}
	

	public abstract void init();
	

	public abstract void execute() throws Throwable;
}
